1. The proposed areas of the domestication of African crops lie in a band that extends from Ethiopia across southern Sudan to West Africa. Subsequently The proposed areas 这怎麽翻? 2. Africans had iron from a relatively early date, developing ingenious furnaces to produce the high heat needed for production and to control the amount of air that reached the carbon and iron ore necessary for making iron. the amount of air that reached the carbon and iron ore necessary for making iron air 跟 reache reached the carbon and iron ore 有什麽关系? 不知道怎麽翻才顺 3. These people probably originated in eastern Nigeria. Their migration may have been set in motion by an increase in population caused by a movement of peoples fleeing the desiccation, or drying up, of the Sahara. Their migration may have been set in motion by an increase in population 是增加哪里的人? set in motion 要怎麽翻? 感谢回答 --

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